Home / 145,945.32-201,404.24-82,282.68

Finding the Fourth Proportional to 145,945.32, 201,404.24 and 82,282.68

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Solution

The fourth proportional to 145,945.32, 201,404.24 and 82,282.68 is: 113,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.32 : 201,404.24 = 82,282.68 : x
  2. Step 2: Convert to fraction form
    145,945.32/201,404.24 = 82,282.68/x
  3. Step 3: Cross multiply
    145,945.32x = 201,404.24 × 82,282.68
  4. Step 4: Simplify right side
    145,945.32x = 16,572,080,630.56
  5. Step 5: Solve for x
    x = 16,572,080,630.56/145,945.32
  6. Step 6: Final answer
    x = 113,549.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.